I will add the folder of episodes to the GUI like normal, press Fetch Data and choose AniDB, then after a few seconds a window will ask me to confirm the correct series. After I click the series name, another window will pop up simply saying AniDB and then Filebot just freezes/crashes. I cannot click the "x" button to close the app as well.

Are there any logs that might indicate some problem? Please check the console output.

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I can easily recreate this issue, how can I get the logs? Do you literally mean what does the console when it happens? Because it doesn't say anything (except for how many files were rewritten before I got to this show). Are there any other commands I should add on to get more info?

Just run Terminal and call filebot and see if the console output says anything when the GUI freezes.

Also, the screenshot doesn't look like Ubuntu. Have you tried the latest stock Ubuntu and see if it works with that one?

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One problem is could be is that I am doing this on a remote server using tigervnc. I do want to reiterate that it is working fine for most of the series though. Also, only filebot freezes, the session itself run normally. Wondering if maybe there is a graphical thing I need to turn off or something.

It's probably a graphical thing, either GTK theme or graphics acceleration, but not sure how to get around those on Linux. I can't reproduce any issues on standard Ubuntu running locally.

My (very excellent) support depends on Windows Store and Mac App Store sales and PayPal donations. Paying users, donors and everyone who contributes to FileBot in one way or another will get the very best support.